Portable forge



2 Sheets-Sheet 1. G. HAMMELMANN. PORTABLE FORGE.) N0. 252,103.- Patented Jan.10,1882.

Witnesses: Inventor:

Max

u, FEIERS. Pmlo-Lmgmpber, Washinaicm n. u

2 Sheets- Shleet 2.

0. EAMMELMANN. PORTABLE FORGE;

N0. 2 52,103. Patented Jan. 10,1 88Z.

' UNITED STATES PATENT Orrrce.

CHARLES HAMMELMANN, on BUFFALO, new YORK.

PORTABLE. FORGE.

SPECIFICATION forming part of Letters Patent No. 252,103, dated January 10, 1882. Application filed :June 24, 1879.

T 0 all whom it may concern Be itkno wn that 1, CHARLES HAMMELMANN, of Buffalo, in the county of Erie and State of New York, have invented certain new anduseful Improvements on a Portable Forge; and -I do hereby declare that the following description ofmy said invention, taken in connection with the accompanying sheets of drawings, forms a full, clear, and exact specification, which will enable others skilled in the art to whichit appertains to make and use the same.

Thisinvention has general reference to improvements on portable forges; and it consists in the peculiar combination of parts and details ofconstruction, as hereinafter first fully set forth and described, and then pointed out in theclaims.

In the drawings already mentioned, which serve to illustrate my invention more full y, Figure 1 is a front elevation of my improved porta ble forge. Fig. 2 is an end elevation. Fig, 3 is a perspective view of the pitman and connection. Fig. 4 is a front elevation of the fan-casing and tuyere. Fig. 5 is a perspective view of one of the fan-wings.

Likelet-ters ofreferencedesiguate corresponding parts in all' the figures.

A is the bowl or hearth of my portable forge,

produced of cast-iron and provided with four bosses or hubs,B,forming sockets for the tubular legs 0. To one side of the rim of this bowl is affixed a pendent, bracket, 1), serving, in conjunction with a bracket, E, fastened to the under side of said bowl, as a means to carry the stud m, upon which the main wheel G revolves. This wheel andits operating mechanism, which is fully set forth and described in Letters Patent No; 192,623'granted to me July 3,1S77,en-' gages a pinion, H, secured to or formed in one piece with an axle carrying the pulley J, said, axle revolving in a journal-box, K, formed in one piece with the bracket E.

The pulley J connects with the fan-pulley in the usual manner by a belt, L.

The fancasing N is formed oftwo halvessecured together by means of screw-bolts n passing-through the lugs N. Each half is formed with its respective part of a duct, 0, and a tuyere-pipe, P, in one piece, so that there is but one longitudinal joint in the entire casing and thecasing is secured to the-under side of the bowl A. s i In the innerside of this bowl is the tuyere S,

- having a flange, T, above the bottom of said bowl to produce a vacantspace, U, underneath said. flange for the object hereinafter to be referred to. To the rim of the bowl A is furthermore secured a standard, V, having on its upper end a fork, X, swiveling upon said standard. This fork receives anoperating-lever, Y, pivoted between the members of said fork by a bolt, 8100., y. The handleY is'preferably made of hard wood bentinto the contour shown, and it has onits end an eyebolutr, wherewith connection is made with the rod Z, that operates the mechanism referred to in the Letters Patent heretofore cited.

Upon the stud 11:, carrying the main wheel G, is the vibrating swinging arm D,'having on its lower end a stud, 07, upon which revolves a socket, 6, having a flange, f, wherewith engages a double eye, 9, on the end of the rod Z. By means of this peculiar connection of the rod Z with the arm D on one end and the leverY on the other end, and, furthermore, by the peculiar construction and method ofpivoting said handle to the standard V, I am enabled to give this handle a compound vertical and horizontal movement, which allows the operator to leave his place in front of the forge and reach articles, tools, 810., around the same, within the compass of movement of said handle, without stopping the blast, which is a very desirable feature in my forge, and adds greatly to its utility and usefulness.

The forge is carried about by means of drophandles B pivoted to the sockets B by bolts, &c., I). These handles have projections B to limit their upward movement beyond a horizontal position. They will drop of their own 'oftwo equal halves, thejoint being longitudinall y through said casing, duct, and pipe. This arrangement or construction produces a very compact and durable fan-casing, at but little expense for fitting, 85c and obviates joints'as much as possible.

The tuyere Sis provided wit h the flange Tto produce a vacant space, U, between said flange and the bottom of the bowl A, which space is soon filled with ashes, 850. These ashes, being a bad conductor of heat, prevent its being communicated to the bowl A, thereby keeping the latter perfectly cool, and, in consequence thereof, likewise the operating parts-a feature which has not yet been accomplished in other portable metallic forges as far as I am aware.

It will he observed that all the machinery or mechanical parts are attached to the hearth and not to thelegs, which makes this machine more compact and therefore less liable to fracture and disarrangement of parts. The working parts, being, furthermore, all underneath the hearth, are protected from rain, snow, -&c.,

when the forge is used in the open air.

The wings 1 of the fan are of peculiar construction,as clearlyindicatedin Fig.5. In this figure it will be observed that thesaid wings are curved and provided with flanges 2, and that the part ais slightly wider than the part a1. By thus constructing said wings I attain a superior blast, owing to the fact that the wings 2 assist in catching the air, while by the curved shape, in conjunction with theincreasing width toward the discharge end a, of the wings the airis more easily expelled and a larger quantum thereof forced with my fan than any other one of a like diameter and width running at an equal speed.

Having thus fully described my invention, I claim as new and ,desire to secure to me by Letters Patent of the United States- 1. In forges, the combination. with the handle Y. pivoted within the fork X on the stand ard V, and provided with an eyebolt, w, of the rod Z, hung to said eyebolt at one end and provided with a double eye, 9, engaging the flange fon the socket c at the other end, the stud (1, arm D, pawl, ratchet-wheel, and forge-open ating mechanism, substantially as described, for the object stated.

7 2. The combination, with the arm D, having the stud d and the pawl engaging the serrated or ratchet wheel, ot'the socket 0, having aflange, f, formed integral therewith andprovided with an aperture at right angles with the aperture in said socket-e, pin or boltf, double eye 9, rod Z, handle Y, bearing-piece ll, fixed to said handle Y, swivel-forkX, and support y, as and for the object specified.

In testimony thatI claim the foregoing as my invention I have hereto setmy hand and affixed my seal in the presence of two subscribing witnesses. W

' CHARLES HAMMELMANN. [L. s] Attest:

MICHAEL J. STARK,

J NO. STARK. 

